Device that removes water from an atmospheric environment in a natatorium, namely, dehumidifiers; indoor split outdoor air unit that removes water from the atmospheric environment in a room, namely, natatorium dehumidifiers; Pool water heaters; Heaters and pumps sold in combination for use in swimming pools; HVAC units; Heat recovery ventilators; Energy recovery ventilators

Repair of microprocessors, for atmospheric environment conditioning units, zone control systems for home heating and atmospheric environment conditioning comprising of a series of thermostats connected to a control panel which opens and closes a series of dampers, electrical humidifier controls, thermostats, electrical controllers for air conditioning units, natatorium device that removes water from an atmospheric environment, natatorium ventilation units, evaporators, fans, compressors, outdoor ventilation units, pool water heaters, refrigerant pressure transducers